Q: What is the sum of all factors of the number 21,221,840 excluding 21,221,840?
A: 28,119,124
The factors of the number 21,221,840 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 265273, 530546, 1061092, 1326365, 2122184, 2652730, 4244368, 5305460, 10610920, 21221840.
If you add them up, you will get the total of 21,221,868. Now subtract 21,221,840 to get 28,119,124