21806220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363437}}^1$

素因数の和:363449

約数の個数: 24

約数和(自身を含む): 61057584

約数和(自身を除く): 39251364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363437, 726874, 1090311, 1453748, 1817185, 2180622, 3634370, 4361244, 5451555, 7268740, 10903110, 21806220]

約数ペア:

[(1, 21806220), (2, 10903110), (3, 7268740), (4, 5451555), (5, 4361244), (6, 3634370), (10, 2180622), (12, 1817185), (15, 1453748), (20, 1090311), (30, 726874), (60, 363437)]