21256834

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5843}}^1$

素因数の和:5969

約数の個数: 16

約数和(自身を含む): 34082208

約数和(自身を除く): 12825374

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 5843, 11686, 99331, 198662, 625201, 1250402, 10628417, 21256834]

約数ペア:

[(1, 21256834), (2, 10628417), (17, 1250402), (34, 625201), (107, 198662), (214, 99331), (1819, 11686), (3638, 5843)]