21864968520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4237397}}^1$

素因数の和:4237454

約数の個数: 64

約数和(自身を含む): 67120384320

約数和(自身を除く): 45255415800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 4237397, 8474794, 12712191, 16949588, 21186985, 25424382, 33899176, 42373970, 50848764, 63560955, 84747940, 101697528, 127121910, 169495880, 182208071, 254243820, 364416142, 508487640, 546624213, 728832284, 911040355, 1093248426, 1457664568, 1822080710, 2186496852, 2733121065, 3644161420, 4372993704, 5466242130, 7288322840, 10932484260, 21864968520]

約数ペア:

[(1, 21864968520), (2, 10932484260), (3, 7288322840), (4, 5466242130), (5, 4372993704), (6, 3644161420), (8, 2733121065), (10, 2186496852), (12, 1822080710), (15, 1457664568), (20, 1093248426), (24, 911040355), (30, 728832284), (40, 546624213), (43, 508487640), (60, 364416142), (86, 254243820), (120, 182208071), (129, 169495880), (172, 127121910), (215, 101697528), (258, 84747940), (344, 63560955), (430, 50848764), (516, 42373970), (645, 33899176), (860, 25424382), (1032, 21186985), (1290, 16949588), (1720, 12712191), (2580, 8474794), (5160, 4237397)]