21766557

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5443}}^1$

素因数の和:5520

約数の個数: 16

約数和(自身を含む): 30660608

約数和(自身を除く): 8894051

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 5443, 16329, 168733, 234049, 506199, 702147, 7255519, 21766557]

約数ペア:

[(1, 21766557), (3, 7255519), (31, 702147), (43, 506199), (93, 234049), (129, 168733), (1333, 16329), (3999, 5443)]