21137182

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{7013}}^1$

素因数の和:7163

約数の個数: 16

約数和(自身を含む): 34845552

約数和(自身を除く): 13708370

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 7013, 14026, 77143, 154286, 960781, 1921562, 10568591, 21137182]

約数ペア:

[(1, 21137182), (2, 10568591), (11, 1921562), (22, 960781), (137, 154286), (274, 77143), (1507, 14026), (3014, 7013)]