21128624

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120049}}^1$

素因数の和:120068

約数の個数: 20

約数和(自身を含む): 44658600

約数和(自身を除く): 23529976

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120049, 240098, 480196, 960392, 1320539, 1920784, 2641078, 5282156, 10564312, 21128624]

約数ペア:

[(1, 21128624), (2, 10564312), (4, 5282156), (8, 2641078), (11, 1920784), (16, 1320539), (22, 960392), (44, 480196), (88, 240098), (176, 120049)]