21818105

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 26922240

約数和(自身を除く): 5104135

約数列:

[1, 5, 47, 227, 235, 409, 1135, 2045, 10669, 19223, 53345, 92843, 96115, 464215, 4363621, 21818105]

約数ペア:

[(1, 21818105), (5, 4363621), (47, 464215), (227, 96115), (235, 92843), (409, 53345), (1135, 19223), (2045, 10669)]