21799060

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1889}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 45881640

約数和(自身を除く): 24082580

約数列:

[1, 2, 4, 5, 10, 20, 577, 1154, 1889, 2308, 2885, 3778, 5770, 7556, 9445, 11540, 18890, 37780, 1089953, 2179906, 4359812, 5449765, 10899530, 21799060]

約数ペア:

[(1, 21799060), (2, 10899530), (4, 5449765), (5, 4359812), (10, 2179906), (20, 1089953), (577, 37780), (1154, 18890), (1889, 11540), (2308, 9445), (2885, 7556), (3778, 5770)]