21550862

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{1087}}^1$

素因数の和:1543

約数の個数: 16

約数和(自身を含む): 33841152

約数和(自身を除く): 12290290

約数列:

[1, 2, 23, 46, 431, 862, 1087, 2174, 9913, 19826, 25001, 50002, 468497, 936994, 10775431, 21550862]

約数ペア:

[(1, 21550862), (2, 10775431), (23, 936994), (46, 468497), (431, 50002), (862, 25001), (1087, 19826), (2174, 9913)]