Q: What is the sum of all factors of the number 13,440,021 excluding 13,440,021?
A: 7,798,443
The factors of the number 13,440,021 are: 1, 3, 7, 21, 29, 87, 203, 609, 761, 841, 2283, 2523, 5327, 5887, 15981, 17661, 22069, 66207, 154483, 463449, 640001, 1920003, 4480007, 13440021.
If you add them up, you will get the total of 13,440,028. Now subtract 13,440,021 to get 7,798,443