21742797

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2267}}^1$

素因数の和:2432

約数の個数: 16

約数和(自身を含む): 30481920

約数和(自身を除く): 8739123

約数列:

[1, 3, 23, 69, 139, 417, 2267, 3197, 6801, 9591, 52141, 156423, 315113, 945339, 7247599, 21742797]

約数ペア:

[(1, 21742797), (3, 7247599), (23, 945339), (69, 315113), (139, 156423), (417, 52141), (2267, 9591), (3197, 6801)]