Q: What is the sum of all factors of the number 4,042,521 excluding 4,042,521?
A: 2,919,399
The factors of the number 4,042,521 are: 1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 293, 511, 657, 879, 1533, 1971, 2051, 2637, 4599, 6153, 7911, 13797, 18459, 21389, 55377, 64167, 149723, 192501, 449169, 577503, 1347507, 4042521.
If you add them up, you will get the total of 4,042,523. Now subtract 4,042,521 to get 2,919,399