21987606

素因数分解:

$2^1\times 3^1\times {\mathrm{677}}^1\times {\mathrm{5413}}^1$

素因数の和:6095

約数の個数: 16

約数和(自身を含む): 44048304

約数和(自身を除く): 22060698

約数列:

[1, 2, 3, 6, 677, 1354, 2031, 4062, 5413, 10826, 16239, 32478, 3664601, 7329202, 10993803, 21987606]

約数ペア:

[(1, 21987606), (2, 10993803), (3, 7329202), (6, 3664601), (677, 32478), (1354, 16239), (2031, 10826), (4062, 5413)]