21809969155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2273}}^1\times {\mathrm{3433}}^1$

素因数の和:5767

約数の個数: 32

約数和(自身を含む): 28861753536

約数和(自身を除く): 7051784381

約数列:

[1, 5, 13, 43, 65, 215, 559, 2273, 2795, 3433, 11365, 17165, 29549, 44629, 97739, 147619, 147745, 223145, 488695, 738095, 1270607, 1919047, 6353035, 7803209, 9595235, 39016045, 101441717, 335537987, 507208585, 1677689935, 4361993831, 21809969155]

約数ペア:

[(1, 21809969155), (5, 4361993831), (13, 1677689935), (43, 507208585), (65, 335537987), (215, 101441717), (559, 39016045), (2273, 9595235), (2795, 7803209), (3433, 6353035), (11365, 1919047), (17165, 1270607), (29549, 738095), (44629, 488695), (97739, 223145), (147619, 147745)]