21045190

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44777}}^1$

素因数の和:44831

約数の個数: 16

約数和(自身を含む): 38688192

約数和(自身を除く): 17643002

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44777, 89554, 223885, 447770, 2104519, 4209038, 10522595, 21045190]

約数ペア:

[(1, 21045190), (2, 10522595), (5, 4209038), (10, 2104519), (47, 447770), (94, 223885), (235, 89554), (470, 44777)]