21375449220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{280297}}^1$

素因数の和:280381

約数の個数: 96

約数和(自身を含む): 63289046016

約数和(自身を除く): 41913596796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 41, 60, 62, 82, 93, 123, 124, 155, 164, 186, 205, 246, 310, 372, 410, 465, 492, 615, 620, 820, 930, 1230, 1271, 1860, 2460, 2542, 3813, 5084, 6355, 7626, 12710, 15252, 19065, 25420, 38130, 76260, 280297, 560594, 840891, 1121188, 1401485, 1681782, 2802970, 3363564, 4204455, 5605940, 8408910, 8689207, 11492177, 16817820, 17378414, 22984354, 26067621, 34476531, 34756828, 43446035, 45968708, 52135242, 57460885, 68953062, 86892070, 104270484, 114921770, 130338105, 137906124, 172382655, 173784140, 229843540, 260676210, 344765310, 356257487, 521352420, 689530620, 712514974, 1068772461, 1425029948, 1781287435, 2137544922, 3562574870, 4275089844, 5343862305, 7125149740, 10687724610, 21375449220]

約数ペア:

[(1, 21375449220), (2, 10687724610), (3, 7125149740), (4, 5343862305), (5, 4275089844), (6, 3562574870), (10, 2137544922), (12, 1781287435), (15, 1425029948), (20, 1068772461), (30, 712514974), (31, 689530620), (41, 521352420), (60, 356257487), (62, 344765310), (82, 260676210), (93, 229843540), (123, 173784140), (124, 172382655), (155, 137906124), (164, 130338105), (186, 114921770), (205, 104270484), (246, 86892070), (310, 68953062), (372, 57460885), (410, 52135242), (465, 45968708), (492, 43446035), (615, 34756828), (620, 34476531), (820, 26067621), (930, 22984354), (1230, 17378414), (1271, 16817820), (1860, 11492177), (2460, 8689207), (2542, 8408910), (3813, 5605940), (5084, 4204455), (6355, 3363564), (7626, 2802970), (12710, 1681782), (15252, 1401485), (19065, 1121188), (25420, 840891), (38130, 560594), (76260, 280297)]