21329441

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7793}}^1$

素因数の和:7840

約数の個数: 16

約数和(自身を含む): 26936064

約数和(自身を除く): 5606623

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7793, 54551, 132481, 179239, 927367, 1254673, 3047063, 21329441]

約数ペア:

[(1, 21329441), (7, 3047063), (17, 1254673), (23, 927367), (119, 179239), (161, 132481), (391, 54551), (2737, 7793)]