Harshad or Niven series

constant @harshad = grep { $_ %% .comb.sum }, 1 .. *;
 
say @harshad[^20];
say @harshad.first: * > 1000;

Output:

(1 2 3 4 5 6 7 8 9 10 12 18 20 21 24 27 30 36 40 42)
1002