21164396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{481009}}^1$

素因数の和:481024

約数の個数: 12

約数和(自身を含む): 40404840

約数和(自身を除く): 19240444

約数列:

[1, 2, 4, 11, 22, 44, 481009, 962018, 1924036, 5291099, 10582198, 21164396]

約数ペア:

[(1, 21164396), (2, 10582198), (4, 5291099), (11, 1924036), (22, 962018), (44, 481009)]