21766205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1571}}^1$

素因数の和:1756

約数の個数: 16

約数和(自身を含む): 27843264

約数和(自身を除く): 6077059

約数列:

[1, 5, 17, 85, 163, 815, 1571, 2771, 7855, 13855, 26707, 133535, 256073, 1280365, 4353241, 21766205]

約数ペア:

[(1, 21766205), (5, 4353241), (17, 1280365), (85, 256073), (163, 133535), (815, 26707), (1571, 13855), (2771, 7855)]