21094918

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:616

約数の個数: 24

約数和(自身を含む): 34587000

約数和(自身を除く): 13492082

約数列:

[1, 2, 13, 26, 139, 169, 278, 338, 449, 898, 1807, 3614, 5837, 11674, 23491, 46982, 62411, 75881, 124822, 151762, 811343, 1622686, 10547459, 21094918]

約数ペア:

[(1, 21094918), (2, 10547459), (13, 1622686), (26, 811343), (139, 151762), (169, 124822), (278, 75881), (338, 62411), (449, 46982), (898, 23491), (1807, 11674), (3614, 5837)]