21193679

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2339}}^1$

素因数の和:2410

約数の個数: 16

約数和(自身を含む): 24766560

約数和(自身を除く): 3572881

約数列:

[1, 13, 17, 41, 221, 533, 697, 2339, 9061, 30407, 39763, 95899, 516919, 1246687, 1630283, 21193679]

約数ペア:

[(1, 21193679), (13, 1630283), (17, 1246687), (41, 516919), (221, 95899), (533, 39763), (697, 30407), (2339, 9061)]