21895702

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{2137}}^1$

素因数の和:2295

約数の個数: 16

約数和(自身を含む): 33865920

約数和(自身を除く): 11970218

約数列:

[1, 2, 47, 94, 109, 218, 2137, 4274, 5123, 10246, 100439, 200878, 232933, 465866, 10947851, 21895702]

約数ペア:

[(1, 21895702), (2, 10947851), (47, 465866), (94, 232933), (109, 200878), (218, 100439), (2137, 10246), (4274, 5123)]