Q: What is the sum of all factors of the number 20,157,921 excluding 20,157,921?
A: 13,118,751
The factors of the number 20,157,921 are: 1, 3, 7, 9, 21, 63, 319967, 959901, 2239769, 2879703, 6719307, 20157921.
If you add them up, you will get the total of 20,157,934. Now subtract 20,157,921 to get 13,118,751