21124004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{480091}}^1$

素因数の和:480106

約数の個数: 12

約数和(自身を含む): 40327728

約数和(自身を除く): 19203724

約数列:

[1, 2, 4, 11, 22, 44, 480091, 960182, 1920364, 5281001, 10562002, 21124004]

約数ペア:

[(1, 21124004), (2, 10562002), (4, 5281001), (11, 1920364), (22, 960182), (44, 480091)]