21016156654

素因数分解:

$2^1\times {\mathrm{1123}}^1\times {\mathrm{1949}}^1\times {\mathrm{4801}}^1$

素因数の和:7875

約数の個数: 16

約数和(自身を含む): 31575070800

約数和(自身を除く): 10558914146

約数列:

[1, 2, 1123, 1949, 2246, 3898, 4801, 9602, 2188727, 4377454, 5391523, 9357149, 10783046, 18714298, 10508078327, 21016156654]

約数ペア:

[(1, 21016156654), (2, 10508078327), (1123, 18714298), (1949, 10783046), (2246, 9357149), (3898, 5391523), (4801, 4377454), (9602, 2188727)]