10 groups of order 21906.
| SmallGroups | group |
|---|---|
| (21906, 1) | C2×C9×C1217 #36346603 |
| (21906, 2) | D9×C1217 #36346604 |
| (21906, 3) | C9×D1217 #36346605 |
| (21906, 4) | D10953 #36346606 |
| (21906, 5) | C2×C32×C1217 #36346607 |
| (21906, 6) | C32×D1217 #36346608 |
| (21906, 7) | C3×D3×C1217 #36346609 |
| (21906, 8) | C3×D3651 #36346610 |
| (21906, 9) | C3⋊D3×C1217 #36346611 |
| (21906, 10) | C3⋊D3651 #36346612 |