21346060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24821}}^1$

素因数の和:24873

約数の個数: 24

約数和(自身を含む): 45871056

約数和(自身を除く): 24524996

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 24821, 49642, 99284, 124105, 248210, 496420, 1067303, 2134606, 4269212, 5336515, 10673030, 21346060]

約数ペア:

[(1, 21346060), (2, 10673030), (4, 5336515), (5, 4269212), (10, 2134606), (20, 1067303), (43, 496420), (86, 248210), (172, 124105), (215, 99284), (430, 49642), (860, 24821)]