10721991

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4957}}^1$

素因数の和:5070

約数の個数: 16

約数和(自身を含む): 16500224

約数和(自身を除く): 5778233

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 4957, 14871, 34699, 104097, 510571, 1531713, 3573997, 10721991]

約数ペア:

[(1, 10721991), (3, 3573997), (7, 1531713), (21, 510571), (103, 104097), (309, 34699), (721, 14871), (2163, 4957)]