21158322

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{82009}}^1$

素因数の和:82057

約数の個数: 16

約数和(自身を含む): 43301280

約数和(自身を除く): 22142958

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 82009, 164018, 246027, 492054, 3526387, 7052774, 10579161, 21158322]

約数ペア:

[(1, 21158322), (2, 10579161), (3, 7052774), (6, 3526387), (43, 492054), (86, 246027), (129, 164018), (258, 82009)]