21690801

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 35328000

約数和(自身を除く): 13637199

約数列:

[1, 3, 9, 11, 27, 33, 99, 199, 297, 367, 597, 1101, 1791, 2189, 3303, 4037, 5373, 6567, 9909, 12111, 19701, 36333, 59103, 73033, 108999, 219099, 657297, 803363, 1971891, 2410089, 7230267, 21690801]

約数ペア:

[(1, 21690801), (3, 7230267), (9, 2410089), (11, 1971891), (27, 803363), (33, 657297), (99, 219099), (199, 108999), (297, 73033), (367, 59103), (597, 36333), (1101, 19701), (1791, 12111), (2189, 9909), (3303, 6567), (4037, 5373)]