21421418

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{1019}}^1$

素因数の和:1501

約数の個数: 16

約数和(自身を含む): 33635520

約数和(自身を除く): 12214102

約数列:

[1, 2, 23, 46, 457, 914, 1019, 2038, 10511, 21022, 23437, 46874, 465683, 931366, 10710709, 21421418]

約数ペア:

[(1, 21421418), (2, 10710709), (23, 931366), (46, 465683), (457, 46874), (914, 23437), (1019, 21022), (2038, 10511)]