21323691

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3323}}^1$

素因数の和:3383

約数の個数: 24

約数和(自身を含む): 33186816

約数和(自身を除く): 11863125

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3323, 6417, 9969, 29907, 76429, 103013, 229287, 309039, 687861, 927117, 2369299, 7107897, 21323691]

約数ペア:

[(1, 21323691), (3, 7107897), (9, 2369299), (23, 927117), (31, 687861), (69, 309039), (93, 229287), (207, 103013), (279, 76429), (713, 29907), (2139, 9969), (3323, 6417)]