7 groups of order 21333.
| SmallGroups | group |
|---|---|
| (21333, 1) | (C547⋊C3)⋊C13 #36319320 |
| (21333, 2) | C3×C547⋊C13 #36319321 |
| (21333, 3) | C13⋊C3×C547 #36319322 |
| (21333, 4) | C13×C547⋊C3 #36319323 |
| (21333, 5) | #36319324 |
| (21333, 6) | #36319325 |
| (21333, 7) | C3×C13×C547 #36319326 |