21333994

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:666

約数の個数: 24

約数和(自身を含む): 35431200

約数和(自身を除く): 14097206

約数列:

[1, 2, 11, 22, 121, 199, 242, 398, 443, 886, 2189, 4378, 4873, 9746, 24079, 48158, 53603, 88157, 107206, 176314, 969727, 1939454, 10666997, 21333994]

約数ペア:

[(1, 21333994), (2, 10666997), (11, 1939454), (22, 969727), (121, 176314), (199, 107206), (242, 88157), (398, 53603), (443, 48158), (886, 24079), (2189, 9746), (4378, 4873)]