21495090239

素因数分解:

$7^2\times {\mathrm{3889}}^1\times {\mathrm{112799}}^1$

素因数の和:116702

約数の個数: 12

約数和(自身を含む): 25011144000

約数和(自身を除く): 3516053761

約数列:

[1, 7, 49, 3889, 27223, 112799, 190561, 789593, 5527151, 438675311, 3070727177, 21495090239]

約数ペア:

[(1, 21495090239), (7, 3070727177), (49, 438675311), (3889, 5527151), (27223, 789593), (112799, 190561)]