21732745

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 5638775

約数列:

[1, 5, 29, 71, 145, 355, 2059, 2111, 10295, 10555, 61219, 149881, 306095, 749405, 4346549, 21732745]

約数ペア:

[(1, 21732745), (5, 4346549), (29, 749405), (71, 306095), (145, 149881), (355, 61219), (2059, 10555), (2111, 10295)]