21129592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240109}}^1$

素因数の和:240126

約数の個数: 16

約数和(自身を含む): 43219800

約数和(自身を除く): 22090208

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240109, 480218, 960436, 1920872, 2641199, 5282398, 10564796, 21129592]

約数ペア:

[(1, 21129592), (2, 10564796), (4, 5282398), (8, 2641199), (11, 1920872), (22, 960436), (44, 480218), (88, 240109)]