21167343

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 31519488

約数和(自身を除く): 10352145

約数列:

[1, 3, 9, 47, 141, 163, 307, 423, 489, 921, 1467, 2763, 7661, 14429, 22983, 43287, 50041, 68949, 129861, 150123, 450369, 2351927, 7055781, 21167343]

約数ペア:

[(1, 21167343), (3, 7055781), (9, 2351927), (47, 450369), (141, 150123), (163, 129861), (307, 68949), (423, 50041), (489, 43287), (921, 22983), (1467, 14429), (2763, 7661)]