21301709

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{823}}^1$

素因数の和:1028

約数の個数: 16

約数和(自身を含む): 25194624

約数和(自身を除く): 3892915

約数列:

[1, 11, 13, 143, 181, 823, 1991, 2353, 9053, 10699, 25883, 117689, 148963, 1638593, 1936519, 21301709]

約数ペア:

[(1, 21301709), (11, 1936519), (13, 1638593), (143, 148963), (181, 117689), (823, 25883), (1991, 10699), (2353, 9053)]