21332874

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86719}}^1$

素因数の和:86765

約数の個数: 16

約数和(自身を含む): 43706880

約数和(自身を除く): 22374006

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86719, 173438, 260157, 520314, 3555479, 7110958, 10666437, 21332874]

約数ペア:

[(1, 21332874), (2, 10666437), (3, 7110958), (6, 3555479), (41, 520314), (82, 260157), (123, 173438), (246, 86719)]