2021838910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71671}}^1$

素因数の和:71729

約数の個数: 64

約数和(自身を含む): 4623704064

約数和(自身を除く): 2601865154

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 14105, 28210, 71671, 143342, 358355, 501697, 716710, 931723, 1003394, 1863446, 2221801, 2508485, 4443602, 4658615, 5016970, 6522061, 9317230, 11109005, 13044122, 15552607, 22218010, 28883413, 31105214, 32610305, 57766826, 65220610, 77763035, 144417065, 155526070, 202183891, 288834130, 404367782, 1010919455, 2021838910]

約数ペア:

[(1, 2021838910), (2, 1010919455), (5, 404367782), (7, 288834130), (10, 202183891), (13, 155526070), (14, 144417065), (26, 77763035), (31, 65220610), (35, 57766826), (62, 32610305), (65, 31105214), (70, 28883413), (91, 22218010), (130, 15552607), (155, 13044122), (182, 11109005), (217, 9317230), (310, 6522061), (403, 5016970), (434, 4658615), (455, 4443602), (806, 2508485), (910, 2221801), (1085, 1863446), (2015, 1003394), (2170, 931723), (2821, 716710), (4030, 501697), (5642, 358355), (14105, 143342), (28210, 71671)]