21057014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22259}}^1$

素因数の和:22315

約数の個数: 16

約数和(自身を含む): 35259840

約数和(自身を除く): 14202826

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22259, 44518, 244849, 489698, 957137, 1914274, 10528507, 21057014]

約数ペア:

[(1, 21057014), (2, 10528507), (11, 1914274), (22, 957137), (43, 489698), (86, 244849), (473, 44518), (946, 22259)]