21921696385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{773}}^1\times {\mathrm{195581}}^1$

素因数の和:196388

約数の個数: 16

約数和(自身を含む): 27248484240

約数和(自身を除く): 5326787855

約数列:

[1, 5, 29, 145, 773, 3865, 22417, 112085, 195581, 977905, 5671849, 28359245, 151184113, 755920565, 4384339277, 21921696385]

約数ペア:

[(1, 21921696385), (5, 4384339277), (29, 755920565), (145, 151184113), (773, 28359245), (3865, 5671849), (22417, 977905), (112085, 195581)]