21899692810

素因数分解:

$2^1\times 5^1\times {\mathrm{3331}}^1\times {\mathrm{657451}}^1$

素因数の和:660789

約数の個数: 16

約数和(自身を含む): 39431341152

約数和(自身を除く): 17531648342

約数列:

[1, 2, 5, 10, 3331, 6662, 16655, 33310, 657451, 1314902, 3287255, 6574510, 2189969281, 4379938562, 10949846405, 21899692810]

約数ペア:

[(1, 21899692810), (2, 10949846405), (5, 4379938562), (10, 2189969281), (3331, 6574510), (6662, 3287255), (16655, 1314902), (33310, 657451)]