21310961

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 3687439

約数列:

[1, 7, 79, 89, 433, 553, 623, 3031, 7031, 34207, 38537, 49217, 239449, 269759, 3044423, 21310961]

約数ペア:

[(1, 21310961), (7, 3044423), (79, 269759), (89, 239449), (433, 49217), (553, 38537), (623, 34207), (3031, 7031)]