21161624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240473}}^1$

素因数の和:240490

約数の個数: 16

約数和(自身を含む): 43285320

約数和(自身を除く): 22123696

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240473, 480946, 961892, 1923784, 2645203, 5290406, 10580812, 21161624]

約数ペア:

[(1, 21161624), (2, 10580812), (4, 5290406), (8, 2645203), (11, 1923784), (22, 961892), (44, 480946), (88, 240473)]