21482155

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2437}}^1$

素因数の和:2526

約数の個数: 16

約数和(自身を含む): 27032544

約数和(自身を除く): 5550389

約数列:

[1, 5, 41, 43, 205, 215, 1763, 2437, 8815, 12185, 99917, 104791, 499585, 523955, 4296431, 21482155]

約数ペア:

[(1, 21482155), (5, 4296431), (41, 523955), (43, 499585), (205, 104791), (215, 99917), (1763, 12185), (2437, 8815)]