21279674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{929}}^1$

素因数の和:1825

約数の個数: 16

約数和(自身を含む): 34450920

約数和(自身を除く): 13171246

約数列:

[1, 2, 13, 26, 881, 929, 1762, 1858, 11453, 12077, 22906, 24154, 818449, 1636898, 10639837, 21279674]

約数ペア:

[(1, 21279674), (2, 10639837), (13, 1636898), (26, 818449), (881, 24154), (929, 22906), (1762, 12077), (1858, 11453)]