For one thing, just because there are 33 of them doesn’t mean that they are small engines.
https://en.wikipedia.org/wiki/SpaceX_Raptor#Raptor_2
Mass (kg) 1525
Thrust (t) 280
Chamber pressure (bar) 350
Specific impulse (s) 350
Engine only TWR 184
Gotta have that kinda kick because:|
https://en.wikipedia.org/wiki/SpaceX_Super_Heavy
Block 3 Super Heavy
Height 72.3 m (237 ft)[4]
Diameter 9 m (30 ft)
Propellant mass 3,650,000 kg (8,050,000 lb)[4]
Powered by 33 × Raptor 3 engines[4]
Maximum thrust 80.8 MN (18,200,000 lbf)[4]
Specific impulse SL: 330 s (3.2 km/s), Vac: 350 s (3.4 km/s)
Propellant CH4 / LOX
it carries this on top:
https://en.wikipedia.org/wiki/SpaceX_Starship_(spacecraft)
The Block 2 version of Starship is 52.1 m (171 ft) tall, 9 m (30 ft) wide
They are little bitty compared to Saturn F-1s.