21976801

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 29472768

約数和(自身を除く): 7495967

約数列:

[1, 7, 11, 17, 77, 103, 119, 163, 187, 721, 1133, 1141, 1309, 1751, 1793, 2771, 7931, 12257, 12551, 16789, 19261, 19397, 30481, 117523, 134827, 184679, 213367, 285413, 1292753, 1997891, 3139543, 21976801]

約数ペア:

[(1, 21976801), (7, 3139543), (11, 1997891), (17, 1292753), (77, 285413), (103, 213367), (119, 184679), (163, 134827), (187, 117523), (721, 30481), (1133, 19397), (1141, 19261), (1309, 16789), (1751, 12551), (1793, 12257), (2771, 7931)]