Q: What is the sum of all factors of the number 21,361,215 excluding 21,361,215?
A: 13,046,721
The factors of the number 21,361,215 are: 1, 3, 5, 15, 151, 453, 755, 2265, 9431, 28293, 47155, 141465, 1424081, 4272243, 7120405, 21361215.
If you add them up, you will get the total of 21,361,228. Now subtract 21,361,215 to get 13,046,721