Q: What is the sum of all factors of the number 21,130,221 excluding 21,130,221?
A: 11,643,411
The factors of the number 21,130,221 are: 1, 3, 7, 21, 49, 147, 143743, 431229, 1006201, 3018603, 7043407, 21130221.
If you add them up, you will get the total of 21,130,232. Now subtract 21,130,221 to get 11,643,411