21493561830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3257}}^1\times {\mathrm{16921}}^1$

素因数の和:20201

約数の個数: 64

約数和(自身を含む): 55572931008

約数和(自身を除く): 34079369178

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 3257, 6514, 9771, 16285, 16921, 19542, 32570, 33842, 42341, 48855, 50763, 84605, 84682, 97710, 101526, 127023, 169210, 211705, 219973, 253815, 254046, 423410, 439946, 507630, 635115, 659919, 1099865, 1270230, 1319838, 2199730, 3299595, 6599190, 55111697, 110223394, 165335091, 275558485, 330670182, 551116970, 716452061, 826675455, 1432904122, 1653350910, 2149356183, 3582260305, 4298712366, 7164520610, 10746780915, 21493561830]

約数ペア:

[(1, 21493561830), (2, 10746780915), (3, 7164520610), (5, 4298712366), (6, 3582260305), (10, 2149356183), (13, 1653350910), (15, 1432904122), (26, 826675455), (30, 716452061), (39, 551116970), (65, 330670182), (78, 275558485), (130, 165335091), (195, 110223394), (390, 55111697), (3257, 6599190), (6514, 3299595), (9771, 2199730), (16285, 1319838), (16921, 1270230), (19542, 1099865), (32570, 659919), (33842, 635115), (42341, 507630), (48855, 439946), (50763, 423410), (84605, 254046), (84682, 253815), (97710, 219973), (101526, 211705), (127023, 169210)]