Q: What is the sum of all factors of the number 21,428,987 excluding 21,428,987?
A: 271,333
The factors of the number 21,428,987 are: 1, 79, 271253, 21428987.
If you add them up, you will get the total of 21,429,258. Now subtract 21,428,987 to get 271,333