21755085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131849}}^1$

素因数の和:131868

約数の個数: 16

約数和(自身を含む): 37972800

約数和(自身を除く): 16217715

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 131849, 395547, 659245, 1450339, 1977735, 4351017, 7251695, 21755085]

約数ペア:

[(1, 21755085), (3, 7251695), (5, 4351017), (11, 1977735), (15, 1450339), (33, 659245), (55, 395547), (165, 131849)]