21329067

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 30714736

約数和(自身を除く): 9385669

約数列:

[1, 3, 17, 51, 73, 219, 289, 337, 867, 1011, 1241, 3723, 5729, 17187, 21097, 24601, 63291, 73803, 97393, 292179, 418217, 1254651, 7109689, 21329067]

約数ペア:

[(1, 21329067), (3, 7109689), (17, 1254651), (51, 418217), (73, 292179), (219, 97393), (289, 73803), (337, 63291), (867, 24601), (1011, 21097), (1241, 17187), (3723, 5729)]