21375356

素因数分解:

$2^2\times {\mathrm{859}}^1\times {\mathrm{6221}}^1$

素因数の和:7084

約数の個数: 12

約数和(自身を含む): 37456440

約数和(自身を除く): 16081084

約数列:

[1, 2, 4, 859, 1718, 3436, 6221, 12442, 24884, 5343839, 10687678, 21375356]

約数ペア:

[(1, 21375356), (2, 10687678), (4, 5343839), (859, 24884), (1718, 12442), (3436, 6221)]