21322214

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{3881}}^1$

素因数の和:3991

約数の個数: 16

約数和(自身を含む): 33260976

約数和(自身を除く): 11938762

約数列:

[1, 2, 41, 67, 82, 134, 2747, 3881, 5494, 7762, 159121, 260027, 318242, 520054, 10661107, 21322214]

約数ペア:

[(1, 21322214), (2, 10661107), (41, 520054), (67, 318242), (82, 260027), (134, 159121), (2747, 7762), (3881, 5494)]