21342794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20641}}^1$

素因数の和:20701

約数の個数: 16

約数和(自身を含む): 35669376

約数和(自身を除く): 14326582

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20641, 41282, 227051, 454102, 970127, 1940254, 10671397, 21342794]

約数ペア:

[(1, 21342794), (2, 10671397), (11, 1940254), (22, 970127), (47, 454102), (94, 227051), (517, 41282), (1034, 20641)]