20211863049

素因数分解:

$3^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{230311}}^1$

素因数の和:230530

約数の個数: 36

約数和(自身を含む): 34132238400

約数和(自身を除く): 13920375351

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 199, 441, 597, 1393, 1791, 4179, 9751, 12537, 29253, 87759, 230311, 690933, 1612177, 2072799, 4836531, 11285239, 14509593, 33855717, 45831889, 101567151, 137495667, 320823223, 412487001, 962469669, 2245762561, 2887409007, 6737287683, 20211863049]

約数ペア:

[(1, 20211863049), (3, 6737287683), (7, 2887409007), (9, 2245762561), (21, 962469669), (49, 412487001), (63, 320823223), (147, 137495667), (199, 101567151), (441, 45831889), (597, 33855717), (1393, 14509593), (1791, 11285239), (4179, 4836531), (9751, 2072799), (12537, 1612177), (29253, 690933), (87759, 230311)]