21168488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240551}}^1$

素因数の和:240568

約数の個数: 16

約数和(自身を含む): 43299360

約数和(自身を除く): 22130872

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240551, 481102, 962204, 1924408, 2646061, 5292122, 10584244, 21168488]

約数ペア:

[(1, 21168488), (2, 10584244), (4, 5292122), (8, 2646061), (11, 1924408), (22, 962204), (44, 481102), (88, 240551)]