21746605

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2467}}^1$

素因数の和:2556

約数の個数: 16

約数和(自身を含む): 27365184

約数和(自身を除く): 5618579

約数列:

[1, 5, 41, 43, 205, 215, 1763, 2467, 8815, 12335, 101147, 106081, 505735, 530405, 4349321, 21746605]

約数ペア:

[(1, 21746605), (5, 4349321), (41, 530405), (43, 505735), (205, 106081), (215, 101147), (1763, 12335), (2467, 8815)]