21347952

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10343}}^1$

素因数の和:10397

約数の個数: 40

約数和(自身を含む): 56436864

約数和(自身を除く): 35088912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10343, 20686, 31029, 41372, 62058, 82744, 124116, 165488, 248232, 444749, 496464, 889498, 1334247, 1778996, 2668494, 3557992, 5336988, 7115984, 10673976, 21347952]

約数ペア:

[(1, 21347952), (2, 10673976), (3, 7115984), (4, 5336988), (6, 3557992), (8, 2668494), (12, 1778996), (16, 1334247), (24, 889498), (43, 496464), (48, 444749), (86, 248232), (129, 165488), (172, 124116), (258, 82744), (344, 62058), (516, 41372), (688, 31029), (1032, 20686), (2064, 10343)]