21122574

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320039}}^1$

素因数の和:320055

約数の個数: 16

約数和(自身を含む): 46085760

約数和(自身を除く): 24963186

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320039, 640078, 960117, 1920234, 3520429, 7040858, 10561287, 21122574]

約数ペア:

[(1, 21122574), (2, 10561287), (3, 7040858), (6, 3520429), (11, 1920234), (22, 960117), (33, 640078), (66, 320039)]