21271016

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15733}}^1$

素因数の和:15765

約数の個数: 24

約数和(自身を含む): 43189830

約数和(自身を除く): 21918814

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15733, 31466, 62932, 125864, 204529, 409058, 818116, 1636232, 2658877, 5317754, 10635508, 21271016]

約数ペア:

[(1, 21271016), (2, 10635508), (4, 5317754), (8, 2658877), (13, 1636232), (26, 818116), (52, 409058), (104, 204529), (169, 125864), (338, 62932), (676, 31466), (1352, 15733)]