Q: What is the sum of all factors of the number 21,105,213 excluding 21,105,213?
A: 7,078,563
The factors of the number 21,105,213 are: 1, 3, 691, 2073, 10181, 30543, 7035071, 21105213.
If you add them up, you will get the total of 21,105,220. Now subtract 21,105,213 to get 7,078,563