21288278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{4153}}^1$

素因数の和:4399

約数の個数: 16

約数和(自身を含む): 34993296

約数和(自身を除く): 13705018

約数列:

[1, 2, 11, 22, 233, 466, 2563, 4153, 5126, 8306, 45683, 91366, 967649, 1935298, 10644139, 21288278]

約数ペア:

[(1, 21288278), (2, 10644139), (11, 1935298), (22, 967649), (233, 91366), (466, 45683), (2563, 8306), (4153, 5126)]