South Georgia and South Sandwich Islands is about 22 times bigger than Aruba.

Aruba is approximately 180 sq km, while South Georgia and South Sandwich Islands is approximately 3,903 sq km, making South Georgia and South Sandwich Islands 2,068% larger than Aruba.
Tip: This to-scale comparison of Aruba vs. South Georgia and South Sandwich Islands uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: South Georgia and South Sandwich Islands vs. Aruba