Q: What is the sum of all factors of the number 21,042,505 excluding 21,042,505?
A: 6,713,531
The factors of the number 21,042,505 are: 1, 5, 11, 55, 121, 605, 34781, 173905, 382591, 1912955, 4208501, 21042505.
If you add them up, you will get the total of 21,042,511. Now subtract 21,042,505 to get 6,713,531