21514689

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2689}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 35809280

約数和(自身を除く): 14294591

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 2689, 8001, 8067, 18823, 24201, 56469, 169407, 341503, 1024509, 2390521, 3073527, 7171563, 21514689]

約数ペア:

[(1, 21514689), (3, 7171563), (7, 3073527), (9, 2390521), (21, 1024509), (63, 341503), (127, 169407), (381, 56469), (889, 24201), (1143, 18823), (2667, 8067), (2689, 8001)]