21164308085

素因数分解:

$5^1\times {\mathrm{919}}^1\times {\mathrm{1579}}^1\times {\mathrm{2917}}^1$

素因数の和:5420

約数の個数: 16

約数和(自身を含む): 25449628800

約数和(自身を除く): 4285320715

約数列:

[1, 5, 919, 1579, 2917, 4595, 7895, 14585, 1451101, 2680723, 4605943, 7255505, 13403615, 23029715, 4232861617, 21164308085]

約数ペア:

[(1, 21164308085), (5, 4232861617), (919, 23029715), (1579, 13403615), (2917, 7255505), (4595, 4605943), (7895, 2680723), (14585, 1451101)]