21950635

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20231}}^1$

素因数の和:20274

約数の個数: 16

約数和(自身を含む): 31076352

約数和(自身を除く): 9125717

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 20231, 101155, 141617, 627161, 708085, 3135805, 4390127, 21950635]

約数ペア:

[(1, 21950635), (5, 4390127), (7, 3135805), (31, 708085), (35, 627161), (155, 141617), (217, 101155), (1085, 20231)]