21452419

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:366

約数の個数: 16

約数和(自身を含む): 23409216

約数和(自身を除く): 1956797

約数列:

[1, 17, 61, 137, 151, 1037, 2329, 2567, 8357, 9211, 20687, 142069, 156587, 351679, 1261907, 21452419]

約数ペア:

[(1, 21452419), (17, 1261907), (61, 351679), (137, 156587), (151, 142069), (1037, 20687), (2329, 9211), (2567, 8357)]