21691608

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{21019}}^1$

素因数の和:21071

約数の個数: 32

約数和(自身を含む): 55492800

約数和(自身を除く): 33801192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 21019, 42038, 63057, 84076, 126114, 168152, 252228, 504456, 903817, 1807634, 2711451, 3615268, 5422902, 7230536, 10845804, 21691608]

約数ペア:

[(1, 21691608), (2, 10845804), (3, 7230536), (4, 5422902), (6, 3615268), (8, 2711451), (12, 1807634), (24, 903817), (43, 504456), (86, 252228), (129, 168152), (172, 126114), (258, 84076), (344, 63057), (516, 42038), (1032, 21019)]