21200344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240913}}^1$

素因数の和:240930

約数の個数: 16

約数和(自身を含む): 43364520

約数和(自身を除く): 22164176

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240913, 481826, 963652, 1927304, 2650043, 5300086, 10600172, 21200344]

約数ペア:

[(1, 21200344), (2, 10600172), (4, 5300086), (8, 2650043), (11, 1927304), (22, 963652), (44, 481826), (88, 240913)]