21854255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6553}}^1$

素因数の和:6610

約数の個数: 16

約数和(自身を含む): 28313280

約数和(自身を除く): 6459025

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 6553, 32765, 150719, 190037, 753595, 950185, 4370851, 21854255]

約数ペア:

[(1, 21854255), (5, 4370851), (23, 950185), (29, 753595), (115, 190037), (145, 150719), (667, 32765), (3335, 6553)]