Q: What is the sum of all factors of the number 21,807,657 excluding 21,807,657?
A: 11,905,623
The factors of the number 21,807,657 are: 1, 3, 9, 23, 27, 69, 207, 621, 35117, 105351, 316053, 807691, 948159, 2423073, 7269219, 21807657.
If you add them up, you will get the total of 21,807,668. Now subtract 21,807,657 to get 11,905,623