Q: What is the sum of all factors of the number 21,210,210 excluding 21,210,210?
A: 42,542,622
The factors of the number 21,210,210 are: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 131, 210, 257, 262, 315, 393, 514, 630, 655, 771, 786, 917, 1179, 1285, 1310, 1542, 1799, 1834, 1965, 2313, 2358, 2570, 2751, 3598, 3855, 3930, 4585, 4626, 5397, 5502, 5895, 7710, 8253, 8995, 9170, 10794, 11565, 11790, 13755, 16191, 16506, 17990, 23130, 26985, 27510, 32382, 33667, 41265, 53970, 67334, 80955, 82530, 101001, 161910, 168335, 202002, 235669, 303003, 336670, 471338, 505005, 606006, 707007, 1010010, 1178345, 1414014, 1515015, 2121021, 2356690, 3030030, 3535035, 4242042, 7070070, 10605105, 21210210.
If you add them up, you will get the total of 21,210,252. Now subtract 21,210,210 to get 42,542,622