21551212920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{745201}}^1$

素因数の和:745456

約数の個数: 64

約数和(自身を含む): 64921998240

約数和(自身を除く): 43370785320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 1205, 1446, 1928, 2410, 2892, 3615, 4820, 5784, 7230, 9640, 14460, 28920, 745201, 1490402, 2235603, 2980804, 3726005, 4471206, 5961608, 7452010, 8942412, 11178015, 14904020, 17884824, 22356030, 29808040, 44712060, 89424120, 179593441, 359186882, 538780323, 718373764, 897967205, 1077560646, 1436747528, 1795934410, 2155121292, 2693901615, 3591868820, 4310242584, 5387803230, 7183737640, 10775606460, 21551212920]

約数ペア:

[(1, 21551212920), (2, 10775606460), (3, 7183737640), (4, 5387803230), (5, 4310242584), (6, 3591868820), (8, 2693901615), (10, 2155121292), (12, 1795934410), (15, 1436747528), (20, 1077560646), (24, 897967205), (30, 718373764), (40, 538780323), (60, 359186882), (120, 179593441), (241, 89424120), (482, 44712060), (723, 29808040), (964, 22356030), (1205, 17884824), (1446, 14904020), (1928, 11178015), (2410, 8942412), (2892, 7452010), (3615, 5961608), (4820, 4471206), (5784, 3726005), (7230, 2980804), (9640, 2235603), (14460, 1490402), (28920, 745201)]