21262137

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1753}}^1$

素因数の和:2080

約数の個数: 16

約数和(自身を含む): 30645888

約数和(自身を除く): 9383751

約数列:

[1, 3, 13, 39, 311, 933, 1753, 4043, 5259, 12129, 22789, 68367, 545183, 1635549, 7087379, 21262137]

約数ペア:

[(1, 21262137), (3, 7087379), (13, 1635549), (39, 545183), (311, 68367), (933, 22789), (1753, 12129), (4043, 5259)]