21817679

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 24527328

約数和(自身を除く): 2709649

約数列:

[1, 13, 37, 67, 481, 677, 871, 2479, 8801, 25049, 32227, 45359, 325637, 589667, 1678283, 21817679]

約数ペア:

[(1, 21817679), (13, 1678283), (37, 589667), (67, 325637), (481, 45359), (677, 32227), (871, 25049), (2479, 8801)]