21144904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240283}}^1$

素因数の和:240300

約数の個数: 16

約数和(自身を含む): 43251120

約数和(自身を除く): 22106216

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240283, 480566, 961132, 1922264, 2643113, 5286226, 10572452, 21144904]

約数ペア:

[(1, 21144904), (2, 10572452), (4, 5286226), (8, 2643113), (11, 1922264), (22, 961132), (44, 480566), (88, 240283)]