21056906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1663}}^1$

素因数の和:2165

約数の個数: 16

約数和(自身を含む): 34105344

約数和(自身を除く): 13048438

約数列:

[1, 2, 13, 26, 487, 974, 1663, 3326, 6331, 12662, 21619, 43238, 809881, 1619762, 10528453, 21056906]

約数ペア:

[(1, 21056906), (2, 10528453), (13, 1619762), (26, 809881), (487, 43238), (974, 21619), (1663, 12662), (3326, 6331)]