21049794

素因数分解:

$2^1\times 3^4\times {\mathrm{129937}}^1$

素因数の和:129951

約数の個数: 20

約数和(自身を含む): 47167494

約数和(自身を除く): 26117700

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129937, 259874, 389811, 779622, 1169433, 2338866, 3508299, 7016598, 10524897, 21049794]

約数ペア:

[(1, 21049794), (2, 10524897), (3, 7016598), (6, 3508299), (9, 2338866), (18, 1169433), (27, 779622), (54, 389811), (81, 259874), (162, 129937)]