21790323

素因数分解:

$3^3\times {\mathrm{631}}^1\times {\mathrm{1279}}^1$

素因数の和:1919

約数の個数: 16

約数和(自身を含む): 32358400

約数和(自身を除く): 10568077

約数列:

[1, 3, 9, 27, 631, 1279, 1893, 3837, 5679, 11511, 17037, 34533, 807049, 2421147, 7263441, 21790323]

約数ペア:

[(1, 21790323), (3, 7263441), (9, 2421147), (27, 807049), (631, 34533), (1279, 17037), (1893, 11511), (3837, 5679)]