21794229

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 32672640

約数和(自身を除く): 10878411

約数列:

[1, 3, 9, 47, 67, 141, 201, 423, 603, 769, 2307, 3149, 6921, 9447, 28341, 36143, 51523, 108429, 154569, 325287, 463707, 2421581, 7264743, 21794229]

約数ペア:

[(1, 21794229), (3, 7264743), (9, 2421581), (47, 463707), (67, 325287), (141, 154569), (201, 108429), (423, 51523), (603, 36143), (769, 28341), (2307, 9447), (3149, 6921)]