21106.000000

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 16

約数和(自身を含む): 917280

約数和(自身を除く): 212285

約数列:

[1, 5, 19, 41, 95, 181, 205, 779, 905, 3439, 3895, 7421, 17195, 37105, 140999, 704995]

約数ペア:

[(1, 704995), (5, 140999), (19, 37105), (41, 17195), (95, 7421), (181, 3895), (205, 3439), (779, 905)]