21355882

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{2203}}^1$

素因数の和:2373

約数の個数: 16

約数和(自身を含む): 33165792

約数和(自身を除く): 11809910

約数列:

[1, 2, 37, 74, 131, 262, 2203, 4406, 4847, 9694, 81511, 163022, 288593, 577186, 10677941, 21355882]

約数ペア:

[(1, 21355882), (2, 10677941), (37, 577186), (74, 288593), (131, 163022), (262, 81511), (2203, 9694), (4406, 4847)]