21102219

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1289}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 32600880

約数和(自身を除く): 11498661

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1289, 1819, 3867, 5457, 11601, 16371, 21913, 65739, 137923, 197217, 413769, 1241307, 2344691, 7034073, 21102219]

約数ペア:

[(1, 21102219), (3, 7034073), (9, 2344691), (17, 1241307), (51, 413769), (107, 197217), (153, 137923), (321, 65739), (963, 21913), (1289, 16371), (1819, 11601), (3867, 5457)]