21112866

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10567}}^1$

素因数の和:10615

約数の個数: 32

約数和(自身を含む): 48190080

約数和(自身を除く): 27077214

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10567, 21134, 31701, 63402, 95103, 190206, 285309, 390979, 570618, 781958, 1172937, 2345874, 3518811, 7037622, 10556433, 21112866]

約数ペア:

[(1, 21112866), (2, 10556433), (3, 7037622), (6, 3518811), (9, 2345874), (18, 1172937), (27, 781958), (37, 570618), (54, 390979), (74, 285309), (111, 190206), (222, 95103), (333, 63402), (666, 31701), (999, 21134), (1998, 10567)]