21693879

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{19597}}^1$

素因数の和:19647

約数の個数: 16

約数和(自身を含む): 32924640

約数和(自身を除く): 11230761

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 19597, 58791, 176373, 529119, 803477, 2410431, 7231293, 21693879]

約数ペア:

[(1, 21693879), (3, 7231293), (9, 2410431), (27, 803477), (41, 529119), (123, 176373), (369, 58791), (1107, 19597)]