21280572

素因数分解:

$2^2\times 3^2\times {\mathrm{591127}}^1$

素因数の和:591137

約数の個数: 18

約数和(自身を含む): 53792648

約数和(自身を除く): 32512076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591127, 1182254, 1773381, 2364508, 3546762, 5320143, 7093524, 10640286, 21280572]

約数ペア:

[(1, 21280572), (2, 10640286), (3, 7093524), (4, 5320143), (6, 3546762), (9, 2364508), (12, 1773381), (18, 1182254), (36, 591127)]