21150712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240349}}^1$

素因数の和:240366

約数の個数: 16

約数和(自身を含む): 43263000

約数和(自身を除く): 22112288

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240349, 480698, 961396, 1922792, 2643839, 5287678, 10575356, 21150712]

約数ペア:

[(1, 21150712), (2, 10575356), (4, 5287678), (8, 2643839), (11, 1922792), (22, 961396), (44, 480698), (88, 240349)]