21355684

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33161}}^1$

素因数の和:33195

約数の個数: 24

約数和(自身を含む): 44569728

約数和(自身を除く): 23214044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33161, 66322, 132644, 232127, 464254, 762703, 928508, 1525406, 3050812, 5338921, 10677842, 21355684]

約数ペア:

[(1, 21355684), (2, 10677842), (4, 5338921), (7, 3050812), (14, 1525406), (23, 928508), (28, 762703), (46, 464254), (92, 232127), (161, 132644), (322, 66322), (644, 33161)]