21799503

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2580

約数の個数: 32

約数和(自身を含む): 36460800

約数和(自身を除く): 14661297

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2531, 2871, 7593, 8613, 22779, 27841, 68337, 73399, 83523, 220197, 250569, 660591, 751707, 807389, 1981773, 2422167, 7266501, 21799503]

約数ペア:

[(1, 21799503), (3, 7266501), (9, 2422167), (11, 1981773), (27, 807389), (29, 751707), (33, 660591), (87, 250569), (99, 220197), (261, 83523), (297, 73399), (319, 68337), (783, 27841), (957, 22779), (2531, 8613), (2871, 7593)]