21337718

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5279}}^1$

素因数の和:5371

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 12116362

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 5279, 10558, 226997, 248113, 453994, 496226, 10668859, 21337718]

約数ペア:

[(1, 21337718), (2, 10668859), (43, 496226), (47, 453994), (86, 248113), (94, 226997), (2021, 10558), (4042, 5279)]