21042122

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2239}}^1$

素因数の和:2405

約数の個数: 16

約数和(自身を含む): 32686080

約数和(自身を除く): 11643958

約数列:

[1, 2, 37, 74, 127, 254, 2239, 4478, 4699, 9398, 82843, 165686, 284353, 568706, 10521061, 21042122]

約数ペア:

[(1, 21042122), (2, 10521061), (37, 568706), (74, 284353), (127, 165686), (254, 82843), (2239, 9398), (4478, 4699)]