21339356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4759}}^1$

素因数の和:4841

約数の個数: 24

約数和(自身を含む): 39984000

約数和(自身を除く): 18644644

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4484, 4759, 9518, 19036, 90421, 180842, 280781, 361684, 561562, 1123124, 5334839, 10669678, 21339356]

約数ペア:

[(1, 21339356), (2, 10669678), (4, 5334839), (19, 1123124), (38, 561562), (59, 361684), (76, 280781), (118, 180842), (236, 90421), (1121, 19036), (2242, 9518), (4484, 4759)]