21052912605

素因数分解:

$3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2683609}}^1$

素因数の和:2684140

約数の個数: 16

約数和(自身を含む): 33749079360

約数和(自身を除く): 12696166755

約数列:

[1, 3, 5, 15, 523, 1569, 2615, 7845, 2683609, 8050827, 13418045, 40254135, 1403527507, 4210582521, 7017637535, 21052912605]

約数ペア:

[(1, 21052912605), (3, 7017637535), (5, 4210582521), (15, 1403527507), (523, 40254135), (1569, 13418045), (2615, 8050827), (7845, 2683609)]