Q: What is the sum of all factors of the number 21,123,221 excluding 21,123,221?
A: 3,017,611
The factors of the number 21,123,221 are: 1, 7, 3017603, 21123221.
If you add them up, you will get the total of 21,123,224. Now subtract 21,123,221 to get 3,017,611