21886837

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 27507200

約数和(自身を除く): 5620363

約数列:

[1, 7, 17, 31, 119, 217, 289, 349, 527, 2023, 2443, 3689, 5933, 8959, 10819, 41531, 62713, 75733, 100861, 183923, 706027, 1287461, 3126691, 21886837]

約数ペア:

[(1, 21886837), (7, 3126691), (17, 1287461), (31, 706027), (119, 183923), (217, 100861), (289, 75733), (349, 62713), (527, 41531), (2023, 10819), (2443, 8959), (3689, 5933)]