Q: What is the sum of all factors of the number 21,431,213 excluding 21,431,213?
A: 77,647
The factors of the number 21,431,213 are: 1, 277, 77369, 21431213.
If you add them up, you will get the total of 21,431,290. Now subtract 21,431,213 to get 77,647