21475060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24971}}^1$

素因数の和:25023

約数の個数: 24

約数和(自身を含む): 46148256

約数和(自身を除く): 24673196

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 24971, 49942, 99884, 124855, 249710, 499420, 1073753, 2147506, 4295012, 5368765, 10737530, 21475060]

約数ペア:

[(1, 21475060), (2, 10737530), (4, 5368765), (5, 4295012), (10, 2147506), (20, 1073753), (43, 499420), (86, 249710), (172, 124855), (215, 99884), (430, 49942), (860, 24971)]