21116924

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{701}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 39272688

約数和(自身を除く): 18155764

約数列:

[1, 2, 4, 17, 34, 68, 443, 701, 886, 1402, 1772, 2804, 7531, 11917, 15062, 23834, 30124, 47668, 310543, 621086, 1242172, 5279231, 10558462, 21116924]

約数ペア:

[(1, 21116924), (2, 10558462), (4, 5279231), (17, 1242172), (34, 621086), (68, 310543), (443, 47668), (701, 30124), (886, 23834), (1402, 15062), (1772, 11917), (2804, 7531)]