Q: What is the sum of all factors of the number 21,291,013 excluding 21,291,013?
A: 879,443
The factors of the number 21,291,013 are: 1, 41, 61, 2501, 8513, 349033, 519293, 21291013.
If you add them up, you will get the total of 21,291,892. Now subtract 21,291,013 to get 879,443