21806004

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{709}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 34017036

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 233, 466, 699, 709, 932, 1398, 1418, 2127, 2563, 2796, 2836, 4254, 5126, 7689, 7799, 8508, 10252, 15378, 15598, 23397, 30756, 31196, 46794, 93588, 165197, 330394, 495591, 660788, 991182, 1817167, 1982364, 3634334, 5451501, 7268668, 10903002, 21806004]

約数ペア:

[(1, 21806004), (2, 10903002), (3, 7268668), (4, 5451501), (6, 3634334), (11, 1982364), (12, 1817167), (22, 991182), (33, 660788), (44, 495591), (66, 330394), (132, 165197), (233, 93588), (466, 46794), (699, 31196), (709, 30756), (932, 23397), (1398, 15598), (1418, 15378), (2127, 10252), (2563, 8508), (2796, 7799), (2836, 7689), (4254, 5126)]