21146060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81331}}^1$

素因数の和:81353

約数の個数: 24

約数和(自身を含む): 47823216

約数和(自身を除く): 26677156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 81331, 162662, 325324, 406655, 813310, 1057303, 1626620, 2114606, 4229212, 5286515, 10573030, 21146060]

約数ペア:

[(1, 21146060), (2, 10573030), (4, 5286515), (5, 4229212), (10, 2114606), (13, 1626620), (20, 1057303), (26, 813310), (52, 406655), (65, 325324), (130, 162662), (260, 81331)]