21527559

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46901}}^1$

素因数の和:46927

約数の個数: 16

約数和(自身を含む): 33769440

約数和(自身を除く): 12241881

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46901, 140703, 422109, 797317, 1266327, 2391951, 7175853, 21527559]

約数ペア:

[(1, 21527559), (3, 7175853), (9, 2391951), (17, 1266327), (27, 797317), (51, 422109), (153, 140703), (459, 46901)]