21608385

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{62633}}^1$

素因数の和:62664

約数の個数: 16

約数和(自身を含む): 36077184

約数和(自身を除く): 14468799

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 62633, 187899, 313165, 939495, 1440559, 4321677, 7202795, 21608385]

約数ペア:

[(1, 21608385), (3, 7202795), (5, 4321677), (15, 1440559), (23, 939495), (69, 313165), (115, 187899), (345, 62633)]