21855658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 16298582

約数列:

[1, 2, 11, 22, 23, 46, 47, 94, 253, 506, 517, 919, 1034, 1081, 1838, 2162, 10109, 11891, 20218, 21137, 23782, 42274, 43193, 86386, 232507, 465014, 475123, 950246, 993439, 1986878, 10927829, 21855658]

約数ペア:

[(1, 21855658), (2, 10927829), (11, 1986878), (22, 993439), (23, 950246), (46, 475123), (47, 465014), (94, 232507), (253, 86386), (506, 43193), (517, 42274), (919, 23782), (1034, 21137), (1081, 20218), (1838, 11891), (2162, 10109)]