21335746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4421}}^1$

素因数の和:4569

約数の個数: 16

約数和(自身を含む): 33960960

約数和(自身を除く): 12625214

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4421, 4826, 8842, 83999, 167998, 561467, 1122934, 10667873, 21335746]

約数ペア:

[(1, 21335746), (2, 10667873), (19, 1122934), (38, 561467), (127, 167998), (254, 83999), (2413, 8842), (4421, 4826)]