11 groups of order 21004.
| SmallGroups | group |
|---|---|
| (21004, 1) | C4×C59×C89 #35230670 |
| (21004, 2) | C89×Dic59 #35230671 |
| (21004, 3) | C59×Dic89 #35230672 |
| (21004, 4) | Dic5251 #35230673 |
| (21004, 5) | C22×C59×C89 #35230674 |
| (21004, 6) | C59×#67063 #35230675 |
| (21004, 7) | C59⋊#67063 #35230676 |
| (21004, 8) | D59×D89 #35230677 |
| (21004, 9) | C2×C59×D89 #35230678 |
| (21004, 10) | C2×C89×D59 #35230679 |
| (21004, 11) | C2×D5251 #35230680 |