21353585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9029}}^1$

素因数の和:9088

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 7253455

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 9029, 45145, 99319, 388247, 496595, 1941235, 4270717, 21353585]

約数ペア:

[(1, 21353585), (5, 4270717), (11, 1941235), (43, 496595), (55, 388247), (215, 99319), (473, 45145), (2365, 9029)]