Q: What is the sum of all factors of the number 21,242,257 excluding 21,242,257?
A: 135,459
The factors of the number 21,242,257 are: 1, 157, 135301, 21242257.
If you add them up, you will get the total of 21,242,392. Now subtract 21,242,257 to get 135,459