21591950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14891}}^1$

素因数の和:14932

約数の個数: 24

約数和(自身を含む): 41548680

約数和(自身を除く): 19956730

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14891, 29782, 74455, 148910, 372275, 431839, 744550, 863678, 2159195, 4318390, 10795975, 21591950]

約数ペア:

[(1, 21591950), (2, 10795975), (5, 4318390), (10, 2159195), (25, 863678), (29, 744550), (50, 431839), (58, 372275), (145, 148910), (290, 74455), (725, 29782), (1450, 14891)]