21000304820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95455931}}^1$

素因数の和:95455951

約数の個数: 24

約数和(自身を含む): 48109789728

約数和(自身を除く): 27109484908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95455931, 190911862, 381823724, 477279655, 954559310, 1050015241, 1909118620, 2100030482, 4200060964, 5250076205, 10500152410, 21000304820]

約数ペア:

[(1, 21000304820), (2, 10500152410), (4, 5250076205), (5, 4200060964), (10, 2100030482), (11, 1909118620), (20, 1050015241), (22, 954559310), (44, 477279655), (55, 381823724), (110, 190911862), (220, 95455931)]