21345398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4423}}^1$

素因数の和:4571

約数の個数: 16

約数和(自身を含む): 33976320

約数和(自身を除く): 12630922

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4423, 4826, 8846, 84037, 168074, 561721, 1123442, 10672699, 21345398]

約数ペア:

[(1, 21345398), (2, 10672699), (19, 1123442), (38, 561721), (127, 168074), (254, 84037), (2413, 8846), (4423, 4826)]