Q: What is the sum of all factors of the number 21,210,421 excluding 21,210,421?
A: 29,291
The factors of the number 21,210,421 are: 1, 743, 28547, 21210421.
If you add them up, you will get the total of 21,210,450. Now subtract 21,210,421 to get 29,291