21196569

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5261}}^1$

素因数の和:5360

約数の個数: 16

約数和(自身を含む): 30309120

約数和(自身を除く): 9112551

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 5261, 15783, 89437, 268311, 415619, 1246857, 7065523, 21196569]

約数ペア:

[(1, 21196569), (3, 7065523), (17, 1246857), (51, 415619), (79, 268311), (237, 89437), (1343, 15783), (4029, 5261)]