21428594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42349}}^1$

素因数の和:42385

約数の個数: 16

約数和(自身を含む): 36590400

約数和(自身を除く): 15161806

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42349, 84698, 465839, 931678, 974027, 1948054, 10714297, 21428594]

約数ペア:

[(1, 21428594), (2, 10714297), (11, 1948054), (22, 974027), (23, 931678), (46, 465839), (253, 84698), (506, 42349)]