21664008

素因数分解:

$2^3\times 3^2\times {\mathrm{300889}}^1$

素因数の和:300901

約数の個数: 24

約数和(自身を含む): 58673550

約数和(自身を除く): 37009542

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 300889, 601778, 902667, 1203556, 1805334, 2407112, 2708001, 3610668, 5416002, 7221336, 10832004, 21664008]

約数ペア:

[(1, 21664008), (2, 10832004), (3, 7221336), (4, 5416002), (6, 3610668), (8, 2708001), (9, 2407112), (12, 1805334), (18, 1203556), (24, 902667), (36, 601778), (72, 300889)]