21805058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43093}}^1$

素因数の和:43129

約数の個数: 16

約数和(自身を含む): 37233216

約数和(自身を除く): 15428158

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 43093, 86186, 474023, 948046, 991139, 1982278, 10902529, 21805058]

約数ペア:

[(1, 21805058), (2, 10902529), (11, 1982278), (22, 991139), (23, 948046), (46, 474023), (253, 86186), (506, 43093)]