21061011

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5657}}^1$

素因数の和:5750

約数の個数: 16

約数和(自身を含む): 30145824

約数和(自身を除く): 9084813

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 5657, 16971, 96169, 288507, 412961, 1238883, 7020337, 21061011]

約数ペア:

[(1, 21061011), (3, 7020337), (17, 1238883), (51, 412961), (73, 288507), (219, 96169), (1241, 16971), (3723, 5657)]