21458135

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 26249184

約数和(自身を除く): 4791049

約数列:

[1, 5, 113, 163, 233, 565, 815, 1165, 18419, 26329, 37979, 92095, 131645, 189895, 4291627, 21458135]

約数ペア:

[(1, 21458135), (5, 4291627), (113, 189895), (163, 131645), (233, 92095), (565, 37979), (815, 26329), (1165, 18419)]