21380194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{2081}}^1$

素因数の和:2561

約数の個数: 16

約数和(自身を含む): 35077536

約数和(自身を除く): 13697342

約数列:

[1, 2, 11, 22, 467, 934, 2081, 4162, 5137, 10274, 22891, 45782, 971827, 1943654, 10690097, 21380194]

約数ペア:

[(1, 21380194), (2, 10690097), (11, 1943654), (22, 971827), (467, 45782), (934, 22891), (2081, 10274), (4162, 5137)]