21222335

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1759}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 27033600

約数和(自身を除く): 5811265

約数列:

[1, 5, 19, 95, 127, 635, 1759, 2413, 8795, 12065, 33421, 167105, 223393, 1116965, 4244467, 21222335]

約数ペア:

[(1, 21222335), (5, 4244467), (19, 1116965), (95, 223393), (127, 167105), (635, 33421), (1759, 12065), (2413, 8795)]