21124312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240049}}^1$

素因数の和:240066

約数の個数: 16

約数和(自身を含む): 43209000

約数和(自身を除く): 22084688

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240049, 480098, 960196, 1920392, 2640539, 5281078, 10562156, 21124312]

約数ペア:

[(1, 21124312), (2, 10562156), (4, 5281078), (8, 2640539), (11, 1920392), (22, 960196), (44, 480098), (88, 240049)]