Q: What is the sum of all factors of the number 21,145,263 excluding 21,145,263?
A: 9,874,017
The factors of the number 21,145,263 are: 1, 3, 17, 29, 51, 87, 289, 493, 841, 867, 1479, 2523, 8381, 14297, 24389, 25143, 42891, 73167, 243049, 414613, 729147, 1243839, 7048421, 21145263.
If you add them up, you will get the total of 21,145,272. Now subtract 21,145,263 to get 9,874,017