21785238

素因数分解:

$2^1\times 3^2\times {\mathrm{661}}^1\times {\mathrm{1831}}^1$

素因数の和:2500

約数の個数: 24

約数和(自身を含む): 47298576

約数和(自身を除く): 25513338

約数列:

[1, 2, 3, 6, 9, 18, 661, 1322, 1831, 1983, 3662, 3966, 5493, 5949, 10986, 11898, 16479, 32958, 1210291, 2420582, 3630873, 7261746, 10892619, 21785238]

約数ペア:

[(1, 21785238), (2, 10892619), (3, 7261746), (6, 3630873), (9, 2420582), (18, 1210291), (661, 32958), (1322, 16479), (1831, 11898), (1983, 10986), (3662, 5949), (3966, 5493)]