I divisori di 3990021 sono 12, elencati qui di seguito: 1; 3; 7; 21; 49; 147; 27143; 81429; 190001; 570003; 1330007; 3990021
3990002, 3990003, 3990004, 3990005, 3990006, 3990007, 3990008, 3990009, 3990010, 3990011, 3990012, 3990013, 3990014, 3990015, 3990016, 3990017, 3990018, 3990019, 3990020, 3990022, 3990023, 3990024, 3990025, 3990026, 3990027, 3990028, 3990029, 3990030, 3990031, 3990032, 3990033, 3990034, 3990035, 3990036, 3990037, 3990038, 3990039, 3990040