Q: What is the sum of all factors of the number 21,212,621 excluding 21,212,621?
A: 517,423
The factors of the number 21,212,621 are: 1, 41, 517381, 21212621.
If you add them up, you will get the total of 21,213,138. Now subtract 21,212,621 to get 517,423