21286414

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{2687}}^1$

素因数の和:2939

約数の個数: 16

約数和(自身を含む): 33965568

約数和(自身を除く): 12679154

約数列:

[1, 2, 17, 34, 233, 466, 2687, 3961, 5374, 7922, 45679, 91358, 626071, 1252142, 10643207, 21286414]

約数ペア:

[(1, 21286414), (2, 10643207), (17, 1252142), (34, 626071), (233, 91358), (466, 45679), (2687, 7922), (3961, 5374)]