21948717

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8783}}^1$

素因数の和:8817

約数の個数: 24

約数和(自身を含む): 36049536

約数和(自身を除く): 14100819

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8783, 26349, 61481, 149311, 184443, 430367, 447933, 1045177, 1291101, 3135531, 7316239, 21948717]

約数ペア:

[(1, 21948717), (3, 7316239), (7, 3135531), (17, 1291101), (21, 1045177), (49, 447933), (51, 430367), (119, 184443), (147, 149311), (357, 61481), (833, 26349), (2499, 8783)]