21741003

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{827}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 33067008

約数和(自身を除く): 11326005

約数列:

[1, 3, 9, 23, 69, 127, 207, 381, 827, 1143, 2481, 2921, 7443, 8763, 19021, 26289, 57063, 105029, 171189, 315087, 945261, 2415667, 7247001, 21741003]

約数ペア:

[(1, 21741003), (3, 7247001), (9, 2415667), (23, 945261), (69, 315087), (127, 171189), (207, 105029), (381, 57063), (827, 26289), (1143, 19021), (2481, 8763), (2921, 7443)]