21404218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{2887}}^1$

素因数の和:3237

約数の個数: 16

約数和(自身を含む): 35141184

約数和(自身を除く): 13736966

約数列:

[1, 2, 11, 22, 337, 674, 2887, 3707, 5774, 7414, 31757, 63514, 972919, 1945838, 10702109, 21404218]

約数ペア:

[(1, 21404218), (2, 10702109), (11, 1945838), (22, 972919), (337, 63514), (674, 31757), (2887, 7414), (3707, 5774)]