21297105

素因数分解:

$3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1093}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 37034088

約数和(自身を除く): 15736983

約数列:

[1, 3, 5, 9, 15, 45, 433, 1093, 1299, 2165, 3279, 3897, 5465, 6495, 9837, 16395, 19485, 49185, 473269, 1419807, 2366345, 4259421, 7099035, 21297105]

約数ペア:

[(1, 21297105), (3, 7099035), (5, 4259421), (9, 2366345), (15, 1419807), (45, 473269), (433, 49185), (1093, 19485), (1299, 16395), (2165, 9837), (3279, 6495), (3897, 5465)]