21432884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{487111}}^1$

素因数の和:487126

約数の個数: 12

約数和(自身を含む): 40917408

約数和(自身を除く): 19484524

約数列:

[1, 2, 4, 11, 22, 44, 487111, 974222, 1948444, 5358221, 10716442, 21432884]

約数ペア:

[(1, 21432884), (2, 10716442), (4, 5358221), (11, 1948444), (22, 974222), (44, 487111)]