21246660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118037}}^1$

素因数の和:118052

約数の個数: 36

約数和(自身を含む): 64448748

約数和(自身を除く): 43202088

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118037, 236074, 354111, 472148, 590185, 708222, 1062333, 1180370, 1416444, 1770555, 2124666, 2360740, 3541110, 4249332, 5311665, 7082220, 10623330, 21246660]

約数ペア:

[(1, 21246660), (2, 10623330), (3, 7082220), (4, 5311665), (5, 4249332), (6, 3541110), (9, 2360740), (10, 2124666), (12, 1770555), (15, 1416444), (18, 1180370), (20, 1062333), (30, 708222), (36, 590185), (45, 472148), (60, 354111), (90, 236074), (180, 118037)]