Q: What is the sum of all factors of the number 21,238,821 excluding 21,238,821?
A: 11,675,739
The factors of the number 21,238,821 are: 1, 3, 9, 23, 27, 69, 207, 529, 621, 1487, 1587, 4461, 4761, 13383, 14283, 34201, 40149, 102603, 307809, 786623, 923427, 2359869, 7079607, 21238821.
If you add them up, you will get the total of 21,238,832. Now subtract 21,238,821 to get 11,675,739